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1 // Copyright 2015 PDFium Authors. All rights reserved. | 1 // Copyright 2015 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #include "core/fxcodec/jbig2/JBig2_GsidProc.h" | 7 #include "core/fxcodec/jbig2/JBig2_GsidProc.h" |
8 | 8 |
9 #include <memory> | 9 #include <memory> |
10 | 10 |
11 #include "core/fxcodec/jbig2/JBig2_BitStream.h" | 11 #include "core/fxcodec/jbig2/JBig2_BitStream.h" |
12 #include "core/fxcodec/jbig2/JBig2_GrdProc.h" | 12 #include "core/fxcodec/jbig2/JBig2_GrdProc.h" |
13 #include "core/fxcodec/jbig2/JBig2_Image.h" | 13 #include "core/fxcodec/jbig2/JBig2_Image.h" |
14 #include "core/fxcodec/jbig2/JBig2_List.h" | 14 #include "core/fxcodec/jbig2/JBig2_List.h" |
15 #include "core/fxcrt/include/fx_basic.h" | 15 #include "core/fxcrt/include/fx_basic.h" |
16 | 16 |
17 FX_DWORD* CJBig2_GSIDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder, | 17 uint32_t* CJBig2_GSIDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder, |
18 JBig2ArithCtx* gbContext, | 18 JBig2ArithCtx* gbContext, |
19 IFX_Pause* pPause) { | 19 IFX_Pause* pPause) { |
20 std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); | 20 std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); |
21 pGRD->MMR = GSMMR; | 21 pGRD->MMR = GSMMR; |
22 pGRD->GBW = GSW; | 22 pGRD->GBW = GSW; |
23 pGRD->GBH = GSH; | 23 pGRD->GBH = GSH; |
24 pGRD->GBTEMPLATE = GSTEMPLATE; | 24 pGRD->GBTEMPLATE = GSTEMPLATE; |
25 pGRD->TPGDON = 0; | 25 pGRD->TPGDON = 0; |
26 pGRD->USESKIP = GSUSESKIP; | 26 pGRD->USESKIP = GSUSESKIP; |
27 pGRD->SKIP = GSKIP; | 27 pGRD->SKIP = GSKIP; |
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49 pGRD->Continue_decode(pPause); | 49 pGRD->Continue_decode(pPause); |
50 | 50 |
51 if (!pImage) | 51 if (!pImage) |
52 return nullptr; | 52 return nullptr; |
53 | 53 |
54 GSPLANES.set(i, pImage); | 54 GSPLANES.set(i, pImage); |
55 | 55 |
56 if (i < GSBPP - 1) | 56 if (i < GSBPP - 1) |
57 pImage->composeFrom(0, 0, GSPLANES.get(i + 1), JBIG2_COMPOSE_XOR); | 57 pImage->composeFrom(0, 0, GSPLANES.get(i + 1), JBIG2_COMPOSE_XOR); |
58 } | 58 } |
59 std::unique_ptr<FX_DWORD, FxFreeDeleter> GSVALS( | 59 std::unique_ptr<uint32_t, FxFreeDeleter> GSVALS( |
60 FX_Alloc2D(FX_DWORD, GSW, GSH)); | 60 FX_Alloc2D(uint32_t, GSW, GSH)); |
61 JBIG2_memset(GSVALS.get(), 0, sizeof(FX_DWORD) * GSW * GSH); | 61 JBIG2_memset(GSVALS.get(), 0, sizeof(uint32_t) * GSW * GSH); |
62 for (FX_DWORD y = 0; y < GSH; ++y) { | 62 for (uint32_t y = 0; y < GSH; ++y) { |
63 for (FX_DWORD x = 0; x < GSW; ++x) { | 63 for (uint32_t x = 0; x < GSW; ++x) { |
64 for (int32_t i = 0; i < GSBPP; ++i) { | 64 for (int32_t i = 0; i < GSBPP; ++i) { |
65 GSVALS.get()[y * GSW + x] |= GSPLANES.get(i)->getPixel(x, y) << i; | 65 GSVALS.get()[y * GSW + x] |= GSPLANES.get(i)->getPixel(x, y) << i; |
66 } | 66 } |
67 } | 67 } |
68 } | 68 } |
69 return GSVALS.release(); | 69 return GSVALS.release(); |
70 } | 70 } |
71 | 71 |
72 FX_DWORD* CJBig2_GSIDProc::decode_MMR(CJBig2_BitStream* pStream, | 72 uint32_t* CJBig2_GSIDProc::decode_MMR(CJBig2_BitStream* pStream, |
73 IFX_Pause* pPause) { | 73 IFX_Pause* pPause) { |
74 std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); | 74 std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); |
75 pGRD->MMR = GSMMR; | 75 pGRD->MMR = GSMMR; |
76 pGRD->GBW = GSW; | 76 pGRD->GBW = GSW; |
77 pGRD->GBH = GSH; | 77 pGRD->GBH = GSH; |
78 | 78 |
79 std::unique_ptr<CJBig2_Image*> GSPLANES(FX_Alloc(CJBig2_Image*, GSBPP)); | 79 std::unique_ptr<CJBig2_Image*> GSPLANES(FX_Alloc(CJBig2_Image*, GSBPP)); |
80 JBIG2_memset(GSPLANES.get(), 0, sizeof(CJBig2_Image*) * GSBPP); | 80 JBIG2_memset(GSPLANES.get(), 0, sizeof(CJBig2_Image*) * GSBPP); |
81 FXCODEC_STATUS status = | 81 FXCODEC_STATUS status = |
82 pGRD->Start_decode_MMR(&GSPLANES.get()[GSBPP - 1], pStream, nullptr); | 82 pGRD->Start_decode_MMR(&GSPLANES.get()[GSBPP - 1], pStream, nullptr); |
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99 for (int32_t K = GSBPP - 1; K > J; --K) | 99 for (int32_t K = GSBPP - 1; K > J; --K) |
100 delete GSPLANES.get()[K]; | 100 delete GSPLANES.get()[K]; |
101 return nullptr; | 101 return nullptr; |
102 } | 102 } |
103 pStream->alignByte(); | 103 pStream->alignByte(); |
104 pStream->offset(3); | 104 pStream->offset(3); |
105 GSPLANES.get()[J]->composeFrom(0, 0, GSPLANES.get()[J + 1], | 105 GSPLANES.get()[J]->composeFrom(0, 0, GSPLANES.get()[J + 1], |
106 JBIG2_COMPOSE_XOR); | 106 JBIG2_COMPOSE_XOR); |
107 J = J - 1; | 107 J = J - 1; |
108 } | 108 } |
109 std::unique_ptr<FX_DWORD> GSVALS(FX_Alloc2D(FX_DWORD, GSW, GSH)); | 109 std::unique_ptr<uint32_t> GSVALS(FX_Alloc2D(uint32_t, GSW, GSH)); |
110 JBIG2_memset(GSVALS.get(), 0, sizeof(FX_DWORD) * GSW * GSH); | 110 JBIG2_memset(GSVALS.get(), 0, sizeof(uint32_t) * GSW * GSH); |
111 for (FX_DWORD y = 0; y < GSH; ++y) { | 111 for (uint32_t y = 0; y < GSH; ++y) { |
112 for (FX_DWORD x = 0; x < GSW; ++x) { | 112 for (uint32_t x = 0; x < GSW; ++x) { |
113 for (J = 0; J < GSBPP; ++J) { | 113 for (J = 0; J < GSBPP; ++J) { |
114 GSVALS.get()[y * GSW + x] |= GSPLANES.get()[J]->getPixel(x, y) << J; | 114 GSVALS.get()[y * GSW + x] |= GSPLANES.get()[J]->getPixel(x, y) << J; |
115 } | 115 } |
116 } | 116 } |
117 } | 117 } |
118 for (J = 0; J < GSBPP; ++J) { | 118 for (J = 0; J < GSBPP; ++J) { |
119 delete GSPLANES.get()[J]; | 119 delete GSPLANES.get()[J]; |
120 } | 120 } |
121 return GSVALS.release(); | 121 return GSVALS.release(); |
122 } | 122 } |
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